Question

Status:Closed    Asked:Jun 28, 2018 - 03:44 PM

Why do some records in the 1986 file have MORTWT of zero even though MORTSTAT is 1 or 2.

My initial hypothesis is that these are records ineligible for matching because of a dearth of information needed for matching. But then why are some of these coded as deceased (MORTSTAt = 1)?

 
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Staff Answer

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Erin_Meyer

Staff

The note on the Comparability Tab should sort this out.. In 1986, the NCHS did not adjust the original NHIS person weight to control for selection bias, so that the 1986 value of MORTWT is identical to the 1986 value of person weight (PERWEIGHT).

 

Jun 29, 2018 - 03:35 PM

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